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Finding the Third Proportional to 109,298 and 163,947

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Solution

The third proportional to 109,298 and 163,947 is: 245,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,298 : 163,947 = 163,947 : x
  2. Step 2: Convert to fraction form
    109,298/163,947 = 163,947/x
  3. Step 3: Cross multiply
    109,298x = 163,947 × 163,947
  4. Step 4: Simplify right side
    109,298x = 26,878,618,809
  5. Step 5: Solve for x
    x = 26,878,618,809/109,298
  6. Step 6: Final answer
    x = 245,920.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.